Evaluate
4\left(x-2\right)^{2}+x^{2}
Expand
5x^{2}-16x+16
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x^{2}+4x^{2}-16x+16
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(2x-4\right)^{2}.
5x^{2}-16x+16
Combine x^{2} and 4x^{2} to get 5x^{2}.
x^{2}+4x^{2}-16x+16
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(2x-4\right)^{2}.
5x^{2}-16x+16
Combine x^{2} and 4x^{2} to get 5x^{2}.
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